It's a practical course on assessing wireless networks through reconnaissance, exploitation (Handshake Capture, WPS Attacks, WPS Crack Attack), and defense strategies, using industry-standard tools to identify risks and strengthen Wi-Fi security.
Bangla
| Error Message | What it means | Fix |
|---------------|----------------|------|
| “Code invalid, 4 attempts left” | Wrong unlock code | Double-check IMEI1; get a fresh code. Do NOT guess – after 10 fails, the device hard-locks. |
| “Unlock page not found” | Firmware variant blocks direct URL | Try 192.168.8.1 > login > Advanced > System > Unlock Device (if visible). Otherwise, insert a foreign SIM to force the popup. |
| “Unlock successful” but still locked | Code was accepted but modem not reset | Factory reset: press reset button (pinhole near battery) for 10 seconds. Re-enter code. |
You cannot brute-force this. You need a code calculated from your IMEI.
Option A – Free (Carrier request – slow but safe)
Option B – Paid (Fast, reliable – ~$5–10 USD)
If the carrier refuses to unlock or you want immediate results, use a professional remote unlocking service. For the Huawei E5785-92c, this works by generating a unique NCK (Network Control Key) based on the IMEI.
| Issue | Solution | |-------|----------| | “Code Invalid” | Double-check IMEI; wait 3 attempts (device may lock permanently after 10 attempts) | | No unlock prompt | Try 3 different non-accepted SIMs; reset device to factory defaults | | USB not detected | Reinstall drivers; disable antivirus; use USB 2.0 port | | Device locked after multiple tries | Use software tool with “read remaining attempts” function; if 0 → need repair |
| Error Message | What it means | Fix |
|---------------|----------------|------|
| “Code invalid, 4 attempts left” | Wrong unlock code | Double-check IMEI1; get a fresh code. Do NOT guess – after 10 fails, the device hard-locks. |
| “Unlock page not found” | Firmware variant blocks direct URL | Try 192.168.8.1 > login > Advanced > System > Unlock Device (if visible). Otherwise, insert a foreign SIM to force the popup. |
| “Unlock successful” but still locked | Code was accepted but modem not reset | Factory reset: press reset button (pinhole near battery) for 10 seconds. Re-enter code. |
You cannot brute-force this. You need a code calculated from your IMEI.
Option A – Free (Carrier request – slow but safe)
Option B – Paid (Fast, reliable – ~$5–10 USD)
If the carrier refuses to unlock or you want immediate results, use a professional remote unlocking service. For the Huawei E5785-92c, this works by generating a unique NCK (Network Control Key) based on the IMEI.
| Issue | Solution | |-------|----------| | “Code Invalid” | Double-check IMEI; wait 3 attempts (device may lock permanently after 10 attempts) | | No unlock prompt | Try 3 different non-accepted SIMs; reset device to factory defaults | | USB not detected | Reinstall drivers; disable antivirus; use USB 2.0 port | | Device locked after multiple tries | Use software tool with “read remaining attempts” function; if 0 → need repair |
InfoSec Academy offers 20 Information Technology courses led by expert trainers, with flexible online learning, 24/7 support, and lifetime post-training guidance - helping individuals from any background enhance their skills.
Information Security Management
Information Security Management
Information Security Management
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